Era
1861-1865
100
1775-1783
65
1775-1865
58
To 1775
56
1857-1861
52
Revolution, 1775-1783
37
Civil War, 1861-1865
28
Revolution
26
1789-1797
24
1933-1945
22
1760-1789
18
1812-1815
18
18th century
18
1917-1945
18
1789-1809
17
1854-1861
17
20th century
17
Civil War
17
Colonial period, ca. 1600-1775
17
1783-1789
15
1797-1801
15
1865-1950
15
1918-1945
15
1783-1865
14
1809-1865
14
1815-1861
14
1829-1837
14
1945-
13
19th century
13
1732-1799
12
1801-1809
12
1865-1900
12
1945-1953
12
1743-1826
10
1860
10
To 1865
10
1760-1820
9
1775-1783 (Révolution)
9
1809-1817
9
1918-
9
1951-
9
War of 1812
9
1689-1702
8
1706-1790
8
1757-1804
7
1849-1853
7
1756-1836
6
1763-1791
6
1767-1845
6
1791-1868
6
more ...